I needed to remove all duplicates from ~/.bash_history, and since it contains the date and time for each command, I ended up with lots of dates and times with no commands (since they were duplicates and got removed).

And I didn't want to check 34k+ of lines manually. So, I wrote a Python script to solve that.

in case you're interested, here is the code: https://gitlab.com/ds.python/useful-scripts

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